Thus, summing up theoretical, experimental and oilfield investigations by active temperature logging one can make a conclusion that the active temperature logging is productive when solving the following problems: • Estimation of the intervals of liquid movement behind the casing. To solve this problem it is necessary to carry out inductive heating of the casing above the top of the bed (for behind-the casing flow “over”) or below the bottom of the bed (for behind-the –casing flow “below”) with the inflow stimulation and analyze the thermal mark movement. • Estimation of small rates. Based on the analysis of the thermal mark movement inside the casing


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